ACCOUNTS AND OTHER RECEIVABLES - Components of Accounts and Other Receivables (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current
Trade accounts receivable	$ 682.5	$ 634.2
Trade notes receivable	0.4	0.7
Total trade receivables	682.9	634.9
Other notes receivable	0.0	0.7
Taxes receivable, including income taxes	29.5	18.8
Other receivables	8.9	12.0
Subtotal other receivables	38.4	31.5
Total trade and other receivables	721.3	666.4
Allowance for doubtful accounts:
Trade accounts receivable	(16.4)	(14.9)
Trade notes receivable	0.0	0.0
Total trade receivables	(16.4)	(14.9)
Other notes receivable	0.0	0.0
Total allowance for doubtful accounts	(16.4)	(14.9)
Total receivables, net	704.9	651.5
Long-term
Trade accounts receivable	0.0	0.0
Trade notes receivable	0.1	0.2
Total trade receivables	0.1	0.2
Other notes receivable	23.0	22.5
Taxes receivable, including income taxes	0.0	0.0
Other receivables	0.0	0.0
Subtotal other receivables	23.0	22.5
Total trade and other receivables	23.1	22.7
Allowance for doubtful accounts:
Trade accounts receivable	0.0	0.0
Trade notes receivable	(0.1)	(0.1)
Total trade receivables	(0.1)	(0.1)
Other notes receivable	(21.8)	(22.0)
Total allowance for doubtful accounts	(21.9)	(22.1)
Total net receivables	$ 1.2	$ 0.6